--- title: "Book of Oil by Endorphina: RTP & biggest wins · gambatracker" description: "Book of Oil by Endorphina: observed RTP 59.27% over 5,481 bets in 30 days vs 96.00%–96.05% official. Biggest win $6,370 (318.5x) at Shuffle." url: https://gambatracker.com/slots/book-of-oil rendered: 2026-11-13T00:39Z --- Book of Oil [Slots](https://gambatracker.com/slots) / Book of Oil # Book of Oil · slots [Endorphina](https://gambatracker.com/providers/endorphina) played on 16 casinos we read official RTP 96.00%–96.05% [Compare](https://gambatracker.com/slots/compare?a=book-of-oil) [24h](https://gambatracker.com/slots/book-of-oil?window=24h) [7d](https://gambatracker.com/slots/book-of-oil?window=7d) [30d](https://gambatracker.com/slots/book-of-oil) [90d](https://gambatracker.com/slots/book-of-oil?window=90d) [All](https://gambatracker.com/slots/book-of-oil?window=all) ## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band 24h · 212.64% ±235.2 · 265 bets — 7d · 108.72% ±44.2 · 2,207 bets +0.6σ 30d · 59.27% ±18.5 · 5,481 bets −3.9σ 90d · 59.27% ±18.5 · 5,481 bets −3.9σ All · 59.27% ±18.5 · 5,481 bets −3.9σ Per casino, 30d [Housebets](https://gambatracker.com/casinos/housebets) · 70.57% ±22.13 4,184 bets [500 Casino](https://gambatracker.com/casinos/500-casino) · 668 bets · below min [Shock](https://gambatracker.com/casinos/shock) · 255 bets · below min [Acebet](https://gambatracker.com/casinos/acebet) · 137 bets · below min [Gamdom](https://gambatracker.com/casinos/gamdom) · 102 bets · below min [Rainbet](https://gambatracker.com/casinos/rainbet) · 57 bets · below min [Rollbit](https://gambatracker.com/casinos/rollbit) · 38 bets · below min [BC.Game](https://gambatracker.com/casinos/bcgame) · 15 bets · below min [CoinCasino](https://gambatracker.com/casinos/coincasino) · 13 bets · below min [Stake](https://gambatracker.com/casinos/stake) · 7 bets · below min [Shuffle](https://gambatracker.com/casinos/shuffle) · 3 bets · below min [Yeet](https://gambatracker.com/casinos/yeet) · 2 bets · below min -0.5% 798.3% 1597.0% The marker is the RTP each casino publishes for this game. An amber bar means that figure is outside the 95% band of what we observed there; grey bars are below the minimum sample. ## This game · all sampled bets - **Bets**: 6,512 - **Wagered**: $7,971 - **Paid**: $31.1K - **Max multiplier**: 1,031x - **Max payout**: $6,370 normal +0.6σ Past observed results over 30d: +0.6σ above the official RTP. Every spin is independent. ## Official RTP · as published by the studio and each casino [Endorphina](https://gambatracker.com/providers/endorphina) endorphina.com 96.05% [Acebet](https://gambatracker.com/casinos/acebet) acebet:slots.houseEdge 96.00% [not a studio figure](https://gambatracker.com/figures/acebet) [BetFury](https://gambatracker.com/casinos/betfury) betfury:game.rtp 96.05% [Chips](https://gambatracker.com/casinos/chips) chips:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/chips) [Gamdom](https://gambatracker.com/casinos/gamdom) gamdom:rtp 96.00% [not a studio figure](https://gambatracker.com/figures/gamdom) [Goated](https://gambatracker.com/casinos/goated) goated:hub88.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/goated) [Housebets](https://gambatracker.com/casinos/housebets) housebets:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/housebets) [Metawin](https://gambatracker.com/casinos/metawin) metawin:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/metawin) [Qzino](https://gambatracker.com/casinos/qzino) qzino:openSlotPage.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/qzino) [Rainbet](https://gambatracker.com/casinos/rainbet) rainbet:games.payout 96.00% [not a studio figure](https://gambatracker.com/figures/rainbet) [Razed](https://gambatracker.com/casinos/razed) razed:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/razed) [Rollbit](https://gambatracker.com/casinos/rollbit) rollbit:static.games 96.00% [not a studio figure](https://gambatracker.com/figures/rollbit) [Shuffle](https://gambatracker.com/casinos/shuffle) shuffle:game.edge 96.00% [not a studio figure](https://gambatracker.com/figures/shuffle) [Spartans](https://gambatracker.com/casinos/spartans) spartans:games.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/spartans) [Stake](https://gambatracker.com/casinos/stake) stake:kurator.edge 96.00% [not a studio figure](https://gambatracker.com/figures/stake) [Thrill](https://gambatracker.com/casinos/thrill) thrill:games-state.rtp 96.05% [Whale.io](https://gambatracker.com/casinos/whale) whale:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/whale) ## Game facts · from endorphina.com A 5×3 10-line slot with high volatility. - **RTP**: 96.05% - **Volatility**: High - **Bet range**: €0.10 – €45 - **Layout**: 5 × 3 · 10 lines - Free spins - Gamble Demos aren't available in your country. We hide demos where casino links are hidden, and in the UK. From [endorphina.com](https://endorphina.com/games/book-of-oil) · read 2d ago [Studio page ↗](https://endorphina.com/games/book-of-oil) ## Multiplier distribution · 30d, sampled bets 5,616 sampled spins, 33% of them paid something. - **1 in 68**: sampled spins paid 10x+ - **1 in 432**: sampled spins paid 100x+ - **1 spin**: paid 1000x+, too few to put a 1-in-N figure on 0 0-1 1-2 2-5 5-10 10-50 50-100 100-1000 1000+ - **Studio volatility**: High - **Observed swings**: Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 4,503. From 5,616 sampled spins; a small sample swings a lot, and every spin is independent. Bar height is square-root scaled so the rare high buckets stay visible. Hover a bar for the count. ## Where it is played · 30d, share of sampled wagering [Gamdom](https://gambatracker.com/casinos/gamdom) $3,821 102 bets · 52% [Housebets](https://gambatracker.com/casinos/housebets) $2,240 4,184 bets · 31% [Rollbit](https://gambatracker.com/casinos/rollbit) $662 38 bets · 9% [500 Casino](https://gambatracker.com/casinos/500-casino) $211 668 bets · 3% [BC.Game](https://gambatracker.com/casinos/bcgame) $166 15 bets · 2% [Shuffle](https://gambatracker.com/casinos/shuffle) $57.00 3 bets · 1% [Stake](https://gambatracker.com/casinos/stake) $49.67 7 bets · 1% [Rainbet](https://gambatracker.com/casinos/rainbet) $34.02 57 bets · 0% [Acebet](https://gambatracker.com/casinos/acebet) $31.60 137 bets · 0% [Shock](https://gambatracker.com/casinos/shock) $17.99 255 bets · 0% [CoinCasino](https://gambatracker.com/casinos/coincasino) $2.00 13 bets · 0% [Yeet](https://gambatracker.com/casinos/yeet) $0.80 2 bets · 0% ## When players play · 30d · sampled bets by UTC hour and weekday, since 2 Nov 2026 Mon Mon 00:00–01:00 UTC: 0 bets, $0 wagered Mon 01:00–02:00 UTC: 0 bets, $0 wagered Mon 02:00–03:00 UTC: 3 bets, $1.50 wagered Mon 03:00–04:00 UTC: 2 bets, $3.35 wagered Mon 04:00–05:00 UTC: 0 bets, $0 wagered Mon 05:00–06:00 UTC: 4 bets, $1.30 wagered Mon 06:00–07:00 UTC: 1 bets, $0.40 wagered Mon 07:00–08:00 UTC: 2 bets, $0.42 wagered Mon 08:00–09:00 UTC: 4 bets, $5.82 wagered Mon 09:00–10:00 UTC: 16 bets, $2.57 wagered Mon 10:00–11:00 UTC: 0 bets, $0 wagered Mon 11:00–12:00 UTC: 8 bets, $2.39 wagered Mon 12:00–13:00 UTC: 2 bets, $0.67 wagered Mon 13:00–14:00 UTC: 13 bets, $13.00 wagered Mon 14:00–15:00 UTC: 47 bets, $5.50 wagered Mon 15:00–16:00 UTC: 399 bets, $116 wagered Mon 16:00–17:00 UTC: 0 bets, $0 wagered Mon 17:00–18:00 UTC: 1 bets, $0.34 wagered Mon 18:00–19:00 UTC: 11 bets, $1.10 wagered Mon 19:00–20:00 UTC: 59 bets, $26.04 wagered Mon 20:00–21:00 UTC: 1 bets, $0.10 wagered Mon 21:00–22:00 UTC: 0 bets, $0 wagered Mon 22:00–23:00 UTC: 0 bets, $0 wagered Mon 23:00–00:00 UTC: 6 bets, $1.34 wagered Tue Tue 00:00–01:00 UTC: 0 bets, $0 wagered Tue 01:00–02:00 UTC: 0 bets, $0 wagered Tue 02:00–03:00 UTC: 0 bets, $0 wagered Tue 03:00–04:00 UTC: 25 bets, $4.40 wagered Tue 04:00–05:00 UTC: 340 bets, $83.44 wagered Tue 05:00–06:00 UTC: 51 bets, $10.70 wagered Tue 06:00–07:00 UTC: 2 bets, $0.23 wagered Tue 07:00–08:00 UTC: 0 bets, $0 wagered Tue 08:00–09:00 UTC: 1 bets, $0.20 wagered Tue 09:00–10:00 UTC: 15 bets, $4.27 wagered Tue 10:00–11:00 UTC: 11 bets, $1.19 wagered Tue 11:00–12:00 UTC: 190 bets, $32.22 wagered Tue 12:00–13:00 UTC: 19 bets, $3.70 wagered Tue 13:00–14:00 UTC: 0 bets, $0 wagered Tue 14:00–15:00 UTC: 168 bets, $24.16 wagered Tue 15:00–16:00 UTC: 17 bets, $1.95 wagered Tue 16:00–17:00 UTC: 2 bets, $0.22 wagered Tue 17:00–18:00 UTC: 12 bets, $1.25 wagered Tue 18:00–19:00 UTC: 39 bets, $62.64 wagered Tue 19:00–20:00 UTC: 13 bets, $54.02 wagered Tue 20:00–21:00 UTC: 15 bets, $1.54 wagered Tue 21:00–22:00 UTC: 22 bets, $2.60 wagered Tue 22:00–23:00 UTC: 75 bets, $21.55 wagered Tue 23:00–00:00 UTC: 8 bets, $86.04 wagered Wed Wed 00:00–01:00 UTC: 7 bets, $3.93 wagered Wed 01:00–02:00 UTC: 7 bets, $6.48 wagered Wed 02:00–03:00 UTC: 0 bets, $0 wagered Wed 03:00–04:00 UTC: 0 bets, $0 wagered Wed 04:00–05:00 UTC: 0 bets, $0 wagered Wed 05:00–06:00 UTC: 0 bets, $0 wagered Wed 06:00–07:00 UTC: 80 bets, $677 wagered Wed 07:00–08:00 UTC: 149 bets, $50.62 wagered Wed 08:00–09:00 UTC: 1,080 bets, $721 wagered Wed 09:00–10:00 UTC: 22 bets, $54.13 wagered Wed 10:00–11:00 UTC: 15 bets, $2.01 wagered Wed 11:00–12:00 UTC: 6 bets, $1.27 wagered Wed 12:00–13:00 UTC: 1 bets, $11.16 wagered Wed 13:00–14:00 UTC: 0 bets, $0 wagered Wed 14:00–15:00 UTC: 101 bets, $20.21 wagered Wed 15:00–16:00 UTC: 209 bets, $41.25 wagered Wed 16:00–17:00 UTC: 39 bets, $182 wagered Wed 17:00–18:00 UTC: 45 bets, $29.03 wagered Wed 18:00–19:00 UTC: 10 bets, $22.63 wagered Wed 19:00–20:00 UTC: 32 bets, $82.81 wagered Wed 20:00–21:00 UTC: 20 bets, $2.00 wagered Wed 21:00–22:00 UTC: 22 bets, $4.00 wagered Wed 22:00–23:00 UTC: 21 bets, $3.86 wagered Wed 23:00–00:00 UTC: 3 bets, $0.90 wagered Thu Thu 00:00–01:00 UTC: 1 bets, $0.30 wagered Thu 01:00–02:00 UTC: 0 bets, $0 wagered Thu 02:00–03:00 UTC: 81 bets, $3,810 wagered Thu 03:00–04:00 UTC: 0 bets, $0 wagered Thu 04:00–05:00 UTC: 0 bets, $0 wagered Thu 05:00–06:00 UTC: 10 bets, $8.45 wagered Thu 06:00–07:00 UTC: 1 bets, $0.40 wagered Thu 07:00–08:00 UTC: 146 bets, $12.39 wagered Thu 08:00–09:00 UTC: 4 bets, $0.71 wagered Thu 09:00–10:00 UTC: 18 bets, $1.80 wagered Thu 10:00–11:00 UTC: 46 bets, $4.61 wagered Thu 11:00–12:00 UTC: 55 bets, $156 wagered Thu 12:00–13:00 UTC: 33 bets, $5.72 wagered Thu 13:00–14:00 UTC: 24 bets, $2.57 wagered Thu 14:00–15:00 UTC: 55 bets, $12.75 wagered Thu 15:00–16:00 UTC: 0 bets, $0 wagered Thu 16:00–17:00 UTC: 26 bets, $4.77 wagered Thu 17:00–18:00 UTC: 76 bets, $14.80 wagered Thu 18:00–19:00 UTC: 9 bets, $2.36 wagered Thu 19:00–20:00 UTC: 7 bets, $16.42 wagered Thu 20:00–21:00 UTC: 12 bets, $2.81 wagered Thu 21:00–22:00 UTC: 1 bets, $0.05 wagered Thu 22:00–23:00 UTC: 108 bets, $42.60 wagered Thu 23:00–00:00 UTC: 0 bets, $0 wagered Fri Fri 00:00–01:00 UTC: 7 bets, $5.20 wagered Fri 01:00–02:00 UTC: 0 bets, $0 wagered Fri 02:00–03:00 UTC: 1 bets, $0.50 wagered Fri 03:00–04:00 UTC: 0 bets, $0 wagered Fri 04:00–05:00 UTC: 0 bets, $0 wagered Fri 05:00–06:00 UTC: 0 bets, $0 wagered Fri 06:00–07:00 UTC: 0 bets, $0 wagered Fri 07:00–08:00 UTC: 0 bets, $0 wagered Fri 08:00–09:00 UTC: 11 bets, $3.80 wagered Fri 09:00–10:00 UTC: 17 bets, $7.50 wagered Fri 10:00–11:00 UTC: 520 bets, $377 wagered Fri 11:00–12:00 UTC: 0 bets, $0 wagered Fri 12:00–13:00 UTC: 12 bets, $1.12 wagered Fri 13:00–14:00 UTC: 0 bets, $0 wagered Fri 14:00–15:00 UTC: 13 bets, $1.30 wagered Fri 15:00–16:00 UTC: 48 bets, $11.30 wagered Fri 16:00–17:00 UTC: 3 bets, $0.30 wagered Fri 17:00–18:00 UTC: 149 bets, $205 wagered Fri 18:00–19:00 UTC: 10 bets, $2.00 wagered Fri 19:00–20:00 UTC: 5 bets, $1.23 wagered Fri 20:00–21:00 UTC: 3 bets, $1.89 wagered Fri 21:00–22:00 UTC: 7 bets, $26.00 wagered Fri 22:00–23:00 UTC: 61 bets, $49.42 wagered Fri 23:00–00:00 UTC: 10 bets, $39.33 wagered Sat Sat 00:00–01:00 UTC: 4 bets, $4.33 wagered Sat 01:00–02:00 UTC: 2 bets, $28.00 wagered Sat 02:00–03:00 UTC: 0 bets, $0 wagered Sat 03:00–04:00 UTC: 14 bets, $2.00 wagered Sat 04:00–05:00 UTC: 4 bets, $0.08 wagered Sat 05:00–06:00 UTC: 2 bets, $0.11 wagered Sat 06:00–07:00 UTC: 0 bets, $0 wagered Sat 07:00–08:00 UTC: 0 bets, $0 wagered Sat 08:00–09:00 UTC: 45 bets, $4.42 wagered Sat 09:00–10:00 UTC: 50 bets, $5.01 wagered Sat 10:00–11:00 UTC: 21 bets, $2.31 wagered Sat 11:00–12:00 UTC: 23 bets, $2.31 wagered Sat 12:00–13:00 UTC: 24 bets, $2.41 wagered Sat 13:00–14:00 UTC: 25 bets, $2.51 wagered Sat 14:00–15:00 UTC: 47 bets, $5.31 wagered Sat 15:00–16:00 UTC: 29 bets, $2.91 wagered Sat 16:00–17:00 UTC: 22 bets, $2.40 wagered Sat 17:00–18:00 UTC: 4 bets, $0.45 wagered Sat 18:00–19:00 UTC: 47 bets, $8.15 wagered Sat 19:00–20:00 UTC: 53 bets, $61.84 wagered Sat 20:00–21:00 UTC: 8 bets, $1.61 wagered Sat 21:00–22:00 UTC: 14 bets, $1.42 wagered Sat 22:00–23:00 UTC: 1 bets, $0.03 wagered Sat 23:00–00:00 UTC: 10 bets, $5.43 wagered Sun Sun 00:00–01:00 UTC: 6 bets, $0.41 wagered Sun 01:00–02:00 UTC: 0 bets, $0 wagered Sun 02:00–03:00 UTC: 0 bets, $0 wagered Sun 03:00–04:00 UTC: 9 bets, $51.11 wagered Sun 04:00–05:00 UTC: 4 bets, $1.60 wagered Sun 05:00–06:00 UTC: 0 bets, $0 wagered Sun 06:00–07:00 UTC: 790 bets, $345 wagered Sun 07:00–08:00 UTC: 43 bets, $1.27 wagered Sun 08:00–09:00 UTC: 42 bets, $5.79 wagered Sun 09:00–10:00 UTC: 20 bets, $0.73 wagered Sun 10:00–11:00 UTC: 23 bets, $2.38 wagered Sun 11:00–12:00 UTC: 31 bets, $1.49 wagered Sun 12:00–13:00 UTC: 7 bets, $2.10 wagered Sun 13:00–14:00 UTC: 0 bets, $0 wagered Sun 14:00–15:00 UTC: 10 bets, $39.67 wagered Sun 15:00–16:00 UTC: 3 bets, $0.30 wagered Sun 16:00–17:00 UTC: 0 bets, $0 wagered Sun 17:00–18:00 UTC: 1 bets, $0.10 wagered Sun 18:00–19:00 UTC: 0 bets, $0 wagered Sun 19:00–20:00 UTC: 0 bets, $0 wagered Sun 20:00–21:00 UTC: 1 bets, $0.45 wagered Sun 21:00–22:00 UTC: 1 bets, $0.10 wagered Sun 22:00–23:00 UTC: 9 bets, $49.24 wagered Sun 23:00–00:00 UTC: 0 bets, $0 wagered by hour Busiest hour: Wed 08:00–09:00 UTC with 1,080 bets; busiest time of day: 08:00–09:00 UTC; busiest day: Wed. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC. ## Biggest hits · largest payouts we saw on this game [Shuffle](https://gambatracker.com/casinos/shuffle) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [MagicalShuffle](https://gambatracker.com/players/shuffle/MagicalShuffle) $20.00 20 USDT $6,370 edge 4.0% · exp. −$0.80 318.5x 2026-11-04 19:05 UTC [Stake](https://gambatracker.com/casinos/stake) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) Hidden $11.14 0.00542 ETH $2,696 edge 4.0% · exp. −$0.45 242.0x 2026-11-11 09:18 UTC [500 Casino](https://gambatracker.com/casinos/500-casino) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [lolz](https://gambatracker.com/players/500-casino/lolz) $8.00 13,328 500CASINO\_BUX $2,380 edge 4.0% · exp. −$0.32 297.5x 2026-11-08 14:04 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [krazykayyzee](https://gambatracker.com/players/shuffle/krazykayyzee) $3.99 3.0303 XRP $2,001 edge 4.0% · exp. −$0.16 501.0x 2026-11-05 11:28 UTC [Stake](https://gambatracker.com/casinos/stake) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) Hidden $11.16 0.005431 ETH $1,272 edge 4.0% · exp. −$0.45 114.0x 2026-11-11 09:51 UTC [Thrill](https://gambatracker.com/casinos/thrill) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [nikstuze](https://gambatracker.com/players/thrill/nikstuze) $1.12 1.12 USDC $1,154 edge 4.0% · exp. −$0.04 1,031x 2026-11-09 15:40 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [MagicalShuffle](https://gambatracker.com/players/shuffle/MagicalShuffle) $10.00 10 USDT $1,100 edge 4.0% · exp. −$0.40 110.0x 2026-11-04 18:57 UTC [500 Casino](https://gambatracker.com/casinos/500-casino) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [lolz](https://gambatracker.com/players/500-casino/lolz) $6.00 9,996 500CASINO\_BUX $750 edge 4.0% · exp. −$0.24 125.0x 2026-11-06 23:37 UTC [500 Casino](https://gambatracker.com/casinos/500-casino) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [lolz](https://gambatracker.com/players/500-casino/lolz) $4.00 6,664 500CASINO\_BUX $586 edge 4.0% · exp. −$0.16 146.5x 2026-11-06 21:57 UTC [500 Casino](https://gambatracker.com/casinos/500-casino) [Book of Oil Endorphina](https://gambatracker.com/slots/book-of-oil) [Beneid](https://gambatracker.com/players/500-casino/Beneid) $1.50 2,499 500CASINO\_BUX $324 edge 4.0% · exp. −$0.06 216.0x 2026-11-03 22:18 UTC ## Live RTP by casino · 30d, refreshes on reload [24h](https://gambatracker.com/slots/book-of-oil?window=24h) [7d](https://gambatracker.com/slots/book-of-oil?window=7d) [30d](https://gambatracker.com/slots/book-of-oil) [90d](https://gambatracker.com/slots/book-of-oil?window=90d) [All](https://gambatracker.com/slots/book-of-oil?window=all) | # | Casino | Observed RTP | Official | Dev. | Bets | Wagered | | --- | --- | --- | --- | --- | --- | --- | | 1 | [Housebets](https://gambatracker.com/casinos/housebets) | 70.57% ±22.1 | 96.00% | −2.3σ | 4,184 | $2,240 | | 2 | [500 Casino](https://gambatracker.com/casinos/500-casino) | 115.04% ±49.3 | — | — | 668 bets · below min | $211 | | 3 | [Shock](https://gambatracker.com/casinos/shock) | 68.32% ±43.4 | — | — | 255 bets · below min | $17.99 | | 4 | [Acebet](https://gambatracker.com/casinos/acebet) | 20.09% ±7.10 | 96.00% | — | 137 bets · below min | $31.60 | | 5 | [Gamdom](https://gambatracker.com/casinos/gamdom) | 47.71% ±30.1 | 96.00% | — | 102 bets · below min | $3,821 | | 6 | [Rainbet](https://gambatracker.com/casinos/rainbet) | 20.64% ±17.2 | 96.00% | — | 57 bets · below min | $34.02 | | 7 | [Rollbit](https://gambatracker.com/casinos/rollbit) | 37.69% ±27.3 | 96.00% | — | 38 bets · below min | $662 | | 8 | [BC.Game](https://gambatracker.com/casinos/bcgame) | 68.01% ±44.3 | — | — | 15 bets · below min | $166 | | 9 | [CoinCasino](https://gambatracker.com/casinos/coincasino) | 127.68% ±51.2 | — | — | 13 bets · below min | $2.00 | | 10 | [Stake](https://gambatracker.com/casinos/stake) | 568.29% ±1027.8 | 96.00% | — | 7 bets · below min | $49.67 | | 11 | [Shuffle](https://gambatracker.com/casinos/shuffle) | 0.00% ±0.00 | 96.00% | — | 3 bets · below min | $57.00 | | 12 | [Yeet](https://gambatracker.com/casinos/yeet) | 450.00% ±98.0 | — | — | 2 bets · below min | $0.80 | ## About Book of Oil · from the figures on this page Book of Oil is a Endorphina slot. Over the last 30 days we observed 5,481 bets on it at 16 crypto casinos, returning 59.27% (95% band 40.74%–77.80%) against an official RTP of 96.00%–96.05%. Its highest multiplier in the last 30 days was 1,031x. The biggest win we saw on it paid $6,370 (318.5x) at Shuffle on 4 Nov 2026. Over the last 30 days it was played most, by wager, at Gamdom, Housebets and Rollbit. ## More from Endorphina · 30 days, by observed wagering [Studio →](https://gambatracker.com/providers/endorphina) [Crown Coins](https://gambatracker.com/slots/crown-coins) Medium–high vol. Demo 106.97% [Hell Hot 100](https://gambatracker.com/slots/hell-hot-100) Low vol. Demo 218.69% [2026 Hit Slot](https://gambatracker.com/slots/2026-hit-slot) High vol. Demo 148.03% [3 Thunders](https://gambatracker.com/slots/3-thunders) Medium–high vol. Demo $80K [Dazzling Crown](https://gambatracker.com/slots/dazzling-crown) Low–medium vol. Demo $69.7K [3 Golden Chests](https://gambatracker.com/slots/3-golden-chests) High vol. Demo $64.1K [Hell Hot 1000](https://gambatracker.com/slots/hell-hot-1000) Medium vol. Demo 476.87% [Book Of Santa](https://gambatracker.com/slots/book-of-santa) High vol. Demo 54.40% Compare with - [Crown Coins](https://gambatracker.com/slots/compare/book-of-oil-vs-crown-coins) - [Hell Hot 100](https://gambatracker.com/slots/compare/book-of-oil-vs-hell-hot-100) - [2026 Hit Slot](https://gambatracker.com/slots/compare/2026-hit-slot-vs-book-of-oil) - [3 Thunders](https://gambatracker.com/slots/compare/3-thunders-vs-book-of-oil) 18+ **These are past, observed results.** Every spin and round is independent: a hot or cold streak says nothing about what happens next, and no figure on this site improves anyone's odds. Gambling can be harmful. [BeGambleAware](https://www.begambleaware.org/) [Gamblers Anonymous](https://www.gamblersanonymous.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt